Renewable Energy Certificates

Renewable energy certificates (RECs), also called green certificates or green tags, describe the environmental characteristics of power from renewable energy projects and are sold separately from general electricity. Consumers can buy green certificates whether or not they have access to green power through their local utility. They can also buy green certificates without having to switch electricity suppliers. Today, over 30 organizations sell wholesale or retail green energy certificates. Table 16-1 lists information from the February 2004 green power certificates list (for Washington state) maintained by the Green Power Network, a National Renewable Energy Laboratory project of the U.S. Department of Energy. (Note: Some certificates are specific to certain states, while others are available nationwide.)

Table 16-1 Green certificates.

Certificate maker

Product name

Renewable resource

Location

Certification

3 Phases Energy Services

Green Certificates

New wind

Nationwide

Green-E

Aquila, Inc.

Aquila Green (nonresidential only)

New wind

Kansas

Green-E

Big Green Energy

GeoVerde (nonresidential only)

Biomass

Nationwide

Green-E

Bonneville Environmental Foundation

Green Tags

99% new wind, up to 1% new solar

Washington, Oregon, Wyoming

Green-E

Community Energy, Inc.

NewWind Energy®

New wind

Pennsylvania, West Virginia

Green-E

Constellation NewEnergy/ERT

EcoPowerSM Certificates

100% landfill gas, 40% new

Illinois

ERT

EAD Environmental

100% Wind Renewable Energy Certificates

New wind

Nationwide

Green-E

Green Mountain Energy

Tradable Renewable

Certificates (nonresidential only)

Wind and landfill gas

Nationwide

Green-E

Maine Interfaith Power & Light

Green Tags (supplied by Bonneville Environmental Foundation)

99% new wind, up to 1% new solar

Washington, Oregon, Wyoming

Green-E

Mainstay Energy

Fossil-Free 100% Renewable

100% renewable

Nationwide

Green-E

Fossil-Free 100% Renewable

100% wind

Nationwide

Green-E

Fossil-Free 100% Renewable

100% solar

Nationwide

Green-E

*Data on green power options (February 2004) is from the Green Power Network (National Renewable Energy Laboratory for the U.S. Department of Energy).

(continued)

Table 16-1 Green certificates. (continued)

Certificate maker

Product name

Renewable resource

Location

Certification

Mass Energy/People's Power and Light

New England WindSM

New Wind

Massachusetts

Green-E

NativeEnergy

Wind BuildersSM

New wind

South Dakota

Vermont Cool/HomeSM (residential only)

New biomass (diary farm methane); and new wind

Vermont (biomass); South Dakota (wind)

PG&E National Energy Group

Pure WindSM Certificates

New wind

New York

Peoples Energy Services/ERT

EcoPower Certificates

100% landfill gas, 40% new

Illinois

ERT

Renewable Choice Energy

American Wind™

New wind

Nationwide

Green-E

Sterling Planet

Green America Program™

40% wind, 35% biomass, 15% geothermal, 5% low-impact hydro, 5% solar (all new)

Nationwide

Green-E

Sun Power Electric

ReGen

99% new landfill gas, 1% new solar

Massachusetts, Rhode Island

Green-E

Waverly Light & Power

Iowa Energy Tags™

Wind

Iowa

WindCurrent

Chesapeake WindCurrent

New wind

Midatlantic states

Green-E

*Data on green power options (February 2004) is from the Green Power Network (National Renewable Energy Laboratory for the U.S. Department of Energy).

Getting Started With Solar

Getting Started With Solar

Do we really want the one thing that gives us its resources unconditionally to suffer even more than it is suffering now? Nature, is a part of our being from the earliest human days. We respect Nature and it gives us its bounty, but in the recent past greedy money hungry corporations have made us all so destructive, so wasteful.

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